Galvanized Steel Strand, 1/2” (7 Strands)

Norm: ASTM A475 – Standard Specification for Zinc-Coated Steel Wire Strand

Dimensional Characteristics

Nominal Conductor Diameter : 1/2” (12.70 mm)
Number of Strands : 7
Nominal Diameter of Steel Strands: : 0.165” (4.19 mm)
Approximate Weight : 517 lb./1000 ft (770 kg/km)
Stranding Lay (unless otherwise specified) : Left Lay

Description
Applications
Quality & Approval
Data Sheet
Description

Mechanical Characteristics

Utilities Grade (UTIL)
Minimum Breaking Strength of Strand : 25,000 lbf (111.206 kN)
Minimum Elongation (24” or 610 mm) : 4%
Common Grade
Minimum Breaking Strength of Strand : 7,400 lbf (32.917 kN)
Minimum Elongation (24” or 610 mm) : 10%
Siemens-Martin Grade (SM)
Minimum Breaking Strength of Strand : 12,100 lbf (58.823 kN)
Minimum Elongation (24” or 610 mm) : 8%
High Strength Grade (HS)
Minimum Breaking Strength of Strand : 18,800 lbf (83.627 kN)
Minimum Elongation (24” or 610 mm) : 5%
Extra High Strength Grade (EHS)
Minimum Breaking Strength of Strand : 26,900 lbf (119.657 kN)
Minimum Elongation (24” or 610 mm) : 4%

Galvanization Characteristics
Nominal Diameter of Steel Strands : 0.165” (4.19 mm)
Minimum Weight of Coating Zinc of Uncoated Wire Surface
• Class 1 – 0.40 oz/ft² (122 g/m²)
• Class A – 0.90 oz/ft² (275 g/m²)
• Class B – 1.80 oz/ft² (549 g/m²)
• Class C – 2.70 oz/ft² (824 g/m²)

Applications
Galvanized steel strand used in electrical and distribution networks.
Quality & Approval
Data Sheet

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